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Inventories

9 Months Ended

Sep. 29, 2018

Inventory [Line Items]

INVENTORIES

Inventories consisted of the following as of September 29, 2018 and December 30, 2017:



	September 29, 2018				December 30, 2017
Aggregate stockpiles	$	158,476			$	126,791
Finished goods	37,917				34,667
Work in process	10,028				7,729
Raw materials	23,340				15,252
Total	$	229,761			$	184,439

Summit Materials, LLC

Inventory [Line Items]

INVENTORIES

Inventories consisted of the following as of September 29, 2018 and December 30, 2017:



		September 29, 2018				December 30, 2017
Aggregate stockpiles		$	158,476			$	126,791
Finished goods		37,917				34,667
Work in process		10,028				7,729
Raw materials		23,340				15,252
Total		$	229,761			$	184,439